pcb
US /ˌpiː.siːˈbiː/
UK /ˌpiː.siːˈbiː/
缩写
1.
印刷电路板
Printed Circuit Board: a board made of insulating material with electrical conductors printed on it, used to connect electronic components
示例:
•
The technician carefully soldered the components onto the PCB.
技术人员小心翼翼地将元件焊接到PCB上。
•
Modern electronics rely heavily on advanced PCBs for their functionality.
现代电子产品的功能严重依赖先进的PCB。
2.
多氯联苯
Polychlorinated Biphenyls: a group of toxic industrial chemicals that were formerly used in electrical equipment and are now banned due to their environmental persistence and harmful effects
示例:
•
The old transformer was found to contain high levels of PCBs.
旧变压器被发现含有高浓度的多氯联苯。
•
Due to their toxicity, the use of PCBs has been banned in many countries.
由于其毒性,许多国家已禁止使用多氯联苯。